Ben Johnson

U of M study: Sidewalk repair weakens trees


The intense storms of last June toppled more than 3,000 trees in Minneapolis, and now a University of Minnesota study has confirmed a popular neighborhood theory: trees planted near sidewalks that had been repaired or replaced were 2.24 times more likely to fall during the storm.

“When no replacement work was done, the average Tilia (Linden tree) had a 10.6 percent chance of root failure; this increased to 21.0 percent when replacement work was done,” the report read.


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